Shira Miriam Grock, MD

NPI 1871868968ActiveIndividual· Internal Medicine, Endocrinology, Diabetes & Metabolism· Santa Monica, CA

Internal Medicine, Endocrinology, Diabetes & Metabolism (MD) in Santa Monica, California, trained at University of Southern California Keck School of Medicine (class of 2012). Their prescriptions cost Medicare Part D more than their services did: $660,863 for 1,484 claims, against $179,955 paid for services in 2024. Musculoskeletal Transplant Foundation Inc. was the largest of 2 companies reporting payments in 2025, $215.45 in all, mostly food and beverage.

Overview

NPI	1871868968
Status	Active
Entity type	Individual
Credential	MD
Sole proprietor	No
NPI issued	Mar 21, 2012
Last updated in NPPES	Dec 16, 2024
Certified by provider	Dec 11, 2024

Specialties and licenses

Taxonomy	Code	License	State
Internal Medicine, Endocrinology, Diabetes & Metabolism Primary	207RE0101X	136419	CA

About license numbers in NPPES

Exclusion screening

List	Result	Details
HHS-OIG LEIE · Nov 10, 2026	No match	Checked by NPI and by name + state
North Carolina Medicaid · Nov 11, 2026	No match	—
New York OMIG · Nov 11, 2026	No match	—
Ohio Medicaid · Nov 11, 2026	No match	—
Pennsylvania Medicheck · Nov 11, 2026	No match	—
Washington HCA · Nov 11, 2026	No match	—

Official OIG search · How matching works ·Bulk check a roster

Medicare

Enrollment (PECOS)	Enrolled Practitioner - Endocrinology (CA)
Accepts assignment	Yes (participating)

Medicare services in 2024

Medicare patients	299
Services billed	9,236 across 27 procedure codes
Paid by Medicare	$179,955

Part D prescriptions in 2024

Prescriptions (claims)	1,484 · 3,471 30-day fills
Patients	254
Total drug cost	$660,863
Generic share	54% of claims

Medicare sources and data years

Education and affiliations

Medical school	University of Southern California Keck School of Medicine
Graduation year	2012
Medicare specialty	Endocrinology
Secondary specialties	Internal Medicine
Telehealth	Offers telehealth